EP2427234A1 - Medical fluid delivery system with rfid-equipped wand - Google Patents
Medical fluid delivery system with rfid-equipped wandInfo
- Publication number
- EP2427234A1 EP2427234A1 EP10713538A EP10713538A EP2427234A1 EP 2427234 A1 EP2427234 A1 EP 2427234A1 EP 10713538 A EP10713538 A EP 10713538A EP 10713538 A EP10713538 A EP 10713538A EP 2427234 A1 EP2427234 A1 EP 2427234A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- syringe
- communication device
- data storage
- injection
- storage device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000012530 fluid Substances 0.000 title claims abstract description 81
- 238000002347 injection Methods 0.000 claims abstract description 168
- 239000007924 injection Substances 0.000 claims abstract description 168
- 238000004891 communication Methods 0.000 claims abstract description 137
- 238000013500 data storage Methods 0.000 claims abstract description 98
- 238000000034 method Methods 0.000 claims description 48
- 230000006870 function Effects 0.000 claims description 8
- 230000037361 pathway Effects 0.000 claims description 6
- 230000033001 locomotion Effects 0.000 description 14
- 230000008878 coupling Effects 0.000 description 10
- 238000010168 coupling process Methods 0.000 description 10
- 238000005859 coupling reaction Methods 0.000 description 10
- 238000003384 imaging method Methods 0.000 description 10
- 230000001939 inductive effect Effects 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 5
- 239000011780 sodium chloride Substances 0.000 description 5
- 238000013170 computed tomography imaging Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000002595 magnetic resonance imaging Methods 0.000 description 4
- 238000002603 single-photon emission computed tomography Methods 0.000 description 4
- 239000002872 contrast media Substances 0.000 description 3
- 229940039231 contrast media Drugs 0.000 description 3
- 238000002059 diagnostic imaging Methods 0.000 description 3
- 206010013700 Drug hypersensitivity Diseases 0.000 description 2
- 238000012879 PET imaging Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012634 optical imaging Methods 0.000 description 2
- 238000002600 positron emission tomography Methods 0.000 description 2
- 229940121896 radiopharmaceutical Drugs 0.000 description 2
- 239000012217 radiopharmaceutical Substances 0.000 description 2
- 230000002799 radiopharmaceutical effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 241000937413 Axia Species 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000013524 data verification Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 229940071643 prefilled syringe Drugs 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000001225 therapeutic effect Effects 0.000 description 1
- 238000012285 ultrasound imaging Methods 0.000 description 1
- 210000005166 vasculature Anatomy 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
- A61M5/14546—Front-loading type injectors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
- A61M5/14566—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons with a replaceable reservoir for receiving a piston rod of the pump
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/54—Control of apparatus or devices for radiation diagnosis
- A61B6/548—Remote control of the apparatus or devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
- A61M5/142—Pressure infusion, e.g. using pumps
- A61M5/145—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
- A61M5/1452—Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
- A61M5/14546—Front-loading type injectors
- A61M2005/14553—Front-loading type injectors comprising a pressure jacket
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/60—General characteristics of the apparatus with identification means
- A61M2205/6054—Magnetic identification systems
Definitions
- the present invention generally relates to medical fluid delivery systems and, more particularly, to medical fluid delivery systems that include devices that are capable of reading identification members.
- Various medical procedures require that one or more medical fluids be injected into a patient.
- medical imaging procedures oftentimes involve the injection of contrast media into a patient, possibly along with saline and/or other medical fluids.
- Other medical procedures involve injecting one or more medical fluids into a patient for therapeutic purposes.
- Power injectors may be used for these types of applications.
- a power injector generally includes what is commonly referred to as a powerhead.
- One or more syringes may be mounted to the powerhead in various manners (e.g., detachably; rear-loading; front-loading; side-loading).
- Each syringe typically includes what may be characterized as a syringe plunger, piston, or the like.
- Each such syringe plunger is designed to interface with (e.g., contact and/or temporarily interconnect with) an appropriate syringe plunger driver that is incorporated into the powerhead, such that operation of the syringe plunger driver axially advances the associated syringe plunger inside and relative to a barrel of the syringe.
- One typical syringe plunger driver is in the form of a ram that is mounted on a threaded lead or drive screw. Rotation of the drive screw in one rotational direction advances the associated ram in one axial direction, while rotation of the drive screw in the opposite rotational direction advances the associated ram in the opposite axial direction.
- RFID tags are becoming more and more popular in various applications. RFID tags have been addressed in relation to medical applications, and including in relation to power injectors. For instance, it has at least been suggested to dispose an RFID tag on a power injector syringe and encode at least certain information onto such an RFID tag.
- a first aspect of the present invention is embodied by a medical fluid delivery system that includes an injection device and a communication device.
- the injection device includes a syringe plunger driver that in turn includes a motorized drive source.
- the injection device further includes a syringe having a syringe barrel and a syringe plunger movably disposed relative to the syringe barrel.
- the syringe plunger driver interacts with the syringe plunger to move the syringe plunger relative to the syringe barrel in at least a first direction.
- the syringe comprises a syringe data storage device.
- the communication device is disposable in each of attached and detached conditions relative to the injection device.
- the communication device includes a field of view.
- a data storage device within the field of view is communicable with the communication device. When the communication device is in the attached condition, it is disposed such that the syringe data storage device of the syringe is within the field of view.
- a number of feature refinements and additional features are applicable to the first aspect of the present invention. These feature refinements and additional features may be used individually or in any combination. As such, each of the following features that will be discussed may be, but are not required to be, used with any other feature or combination of features of the first aspect. The following discussion is applicable to the first aspect, up to the start of the discussion of a second aspect of the present invention.
- the communication device may include an electromagnetic communication device.
- the communication device may include an RFID communication device.
- the communication device may provide at least one of a read function and a write function.
- the communication device may be operable to read from and/or write to an RFID tag.
- the communication device When in the detached condition, the communication device may be movable such that the field of view is deployable about a data storage device of a patient and/or a data storage device of an operator of the medical fluid delivery system.
- the communication device may be operable to read and/or write data to the data storage device of a patient and/or a data storage device of an operator while the communication device is in the detached condition.
- the communication device may be operable to write data to the syringe data storage device, the data storage device of a patient, and/or the data storage device of an operator.
- the communication device may include a power source operable to power the communication device when the communication device is in the detached condition.
- the communication device may include a memory unit that is operable to store data received by the communication device when the communication device is in the detached condition.
- the communication device may include a communication interface, and the communication device may be operable to send the stored data to the injection device via the communication interface when the communication device is in the attached condition.
- the communication interface may include a plurality of electrical contacts.
- the medical fluid delivery system may further include a wiring arrangement interconnected to the communication device and the injection device.
- the communication device may be operable to communicate with the injection device via the wiring arrangement.
- the communication device may include a syringe mount.
- the injection device may include a syringe receiver, which in turn includes the communication device.
- a second aspect of the present invention is embodied by a method of operation of a medical fluid delivery system.
- a first data storage device is read with a communication device.
- the reading includes hand-maneuvering the communication device proximate to the first data storage device.
- the communication device is attached to an injection device and then a syringe is installed on the injection device.
- the syringe includes a syringe data storage device.
- the communication device reads the syringe data storage device while the syringe is installed on the injection device and while the communication device is attached to the injection device
- the first data storage device may be attached to a patient and the step of reading a first data storage device may include moving the communication device proximate to the l O patient.
- the method may include detaching the communication device from the injection device prior to the step of reading a patient data storage device
- the method may further include reading a tubing set data storage device with the communication device.
- the data read from the tubing set data storage device may be used to set a pressure limit for the injection device
- the communication device may store data acquired during reading within the communication device Such data 15 may include the data read from a patient data storage device and/or a tubing set data storage device
- the method may further include verifying medical fluid from the sy ⁇ nge is appropriate for injection into a patient Such verifying may take into account data read from the patient data storage device and/or the syringe data storage device.
- a battery of the communication device may be recharged while the communication device is attached to the injection device.
- the method may further include wirelessiy transferring data from the 0 communication device to the injection device
- the attaching of the communication device to the injection device may include interconnecting the communication device to the injection device via a at least one conductive pathway
- the method may further include transferring data from the communication device to the injection device while the communication device is attached to the injection device (e.g., through the at least one conductive pathway and/or through an inductive 5 coupling).
- the method may further include reading an operator data storage device with the communication device. Such reading may include downloading an injection protocol from the operator data storage device to the communication device. The method may further include selecting an injection protocol from a plurality of injection protocols resident in the injection device based at least in part on data obtained from the operator data storage 0 device The method may further include executing the injection protocol to inject the medical fluid from the syringe into the patient.
- the term "field of view,” when used in relation to a communication device, denotes a region proximate to the communication device where a data storage device in that region will be readable and/or writable by the communication device 5
- a number of feature refinements and additional features are separately applicable to each of above-noted first and second aspects of the present invention. These feature refinements and additional features may be used individually or in any combination in relation to each of the above-noted first and second aspects. Any feature of any other various aspects of the present invention that is intended to be limited Eo a "singular" context or the like will be clearly set forth herein by terms such as “only,” “single/ 1 'limited to,” or the like.
- any failure to use phrases such as "at least one” also does not limit the corresponding feature to the singular (e.g., indicating that a power injector includes “a syringe” alone does not mean that the power injector includes only a single syringe)
- use of the phrase “at least generally” or the like in relation to a particular feature encompasses the corresponding characteristic and insubstantial variations thereof (e.g., indicating that a syringe barrel is at least generally cylindrical encompasses the syringe barrel being cylindrical).
- Any "logic” that may be utilized by any of the various aspects of the present invention may be implemented in any appropriate manner, including without limitation in any appropriate software, firmware, or hardware, using one or more platforms, using one or more processors, using memory of any appropriate type, using any single computer of any appropriate type or a multiple computers of any appropriate type and interconnected in any appropriate manner, or any combination thereof
- This logic may be implemented at any single location or at multiple locations that are interconnected in any appropriate manner (e g , via any type of network).
- Any power injector that may be utilized to provide a fluid discharge may be of any appropriate size, shape, configuration, and/or type
- Any such power injector may utilize one or more syringe plunger drivers of any appropriate size, shape, configuration, and/or type, where each such syringe plunger driver is capable of at least bi-directional movement (e.g., a movement in a first direction for discharging fluid, a movement in a second direction for accommodating a loading and/or drawing of fluid and/or so as to return to a position for a subsequent fluid discharge operation), and where each such syringe plunger driver may interact with its corresponding syringe plunger in any appropriate manner (e.g., by mechanical contact; by an appropriate coupling (mechanical or otherwise)) so as to be able to advance the syringe plunger in at least one direction (e.g., to discharge fluid).
- each such syringe plunger driver is capable of at least bi-directional movement (e.g., a movement in
- Each syringe plunger driver may utilize one or more drive sources of any appropriate size, shape, configuration, and/or type. Multiple drive source outputs may be combined in any appropriate manner to advance a single syringe plunger at a given time
- One or more drive sources may be dedicated to a single syringe plunger d ⁇ ver, one or more drive sources may be associated with multiple syringe plunger drivers (e g , incorporating a transmission of sorts to change the output from one syringe plunger to another syringe plunger), or a combination thereof
- Representative drive source forms include a brushed or brushless electric motor, a hydraulic motor, a pneumatic motor, a piezoelectric motor, or a stepper motor.
- Any such power injector may be used for any appropriate application where the delivery of one or more medical fluids is desired, including without limitation any appropriate medical application (e.g., computed tomography or CT imaging; magnetic resonance imaging or MRI; single photon emission computed tomography or SPECT imaging; positron emission tomography or PET imaging, X-ray imaging, angiographic imaging, optical imaging; ultrasound imaging).
- Any such power injector may be used in conjunction with any component or combination of components, such as an appropriate imaging system (e.g., a CT scanner). For instance, information could be conveyed between any such power injector and one or more other components (e.g., scan deiay information, injection start signal, injection rate).
- any appropriate number of syringes may be utilized with any such power injector in any appropriate 5 manner (e.g., detachably; front-loaded; rear-ioaded; side-loaded), any appropriate medical fluid may be discharged from a given syringe of any such power injector (e.g., contrast media, a radiopharmaceutical, saline, and any combination thereof), and any appropriate fluid may be discharged from a multiple syringe power injector configuration in any appropriate manner (e.g., sequentially, simultaneously), or any combination thereof.
- any appropriate medical fluid may be discharged from a given syringe of any such power injector (e.g., contrast media, a radiopharmaceutical, saline, and any combination thereof)
- any appropriate fluid may be discharged from a multiple syringe power injector configuration in any appropriate manner (e.g., sequentially, simultaneously), or any combination thereof.
- fluid discharged from a syringe by operation of the power injector is directed into a conduit (e.g., i o medical tubing set), where this conduit is fluidly interconnected with the syringe in any appropriate manner and directs fluid to a desired location (e.g., to a catheter that is inserted into a patient for injection).
- a conduit e.g., i o medical tubing set
- fluidly interconnected describes a relationship between components or entities where fluid is operable to flow in a predetermined flow path between the components or entities.
- an injection device fluidly interconnected to a patient describes a configuration where fluid can flow from the injection device through any
- each syringe includes a syringe barrel and a plunger that is disposed within and movable relative to the syringe barrel. This plunger may 0 interface with the power injector's syringe plunger drive assembly such that the syringe plunger drive assembly is able to advance the plunger in at least one direction, and possibly in two different, opposite directions.
- Figure 1 is a schematic of one embodiment of a power injector.
- Figure 2A is a perspective view of one embodiment of a portable stand-mounted, dual-head power injector.
- Figure 2B is an enlarged, partially exploded, perspective view of a powerhead used by the power injector of Figure 2A.
- Figure 2C is a schematic of one embodiment of a syringe plunger drive assembly used by the power 0 injector of Figure 2A.
- Figure 3 is a perspective view of an injection device that includes a syringe mount with a wand portion.
- Figure 4 is a flowchart of a method of injecting a patient with medical fluid using the injection device of Figure 3. 5 DETAILED DESCRIPTION
- FIG. 1 presents a schematic of one embodiment of a power injector 10 having a powerhead 12.
- One or more graphical user interfaces or GUIs 11 may be associated with the powerhead 12.
- Each GU1 11 1) may be of any appropriate size, shape, configuration, and/or type, 2) may be operatively interconnected with the powerheacl 12 in any appropriate manner; 3) may be disposed at any appropriate location, 4) may be configured to provide any of the following functions, controlling one or more aspects of the operation of the power injector 10, inputting/editing one or more parameters associated with the operation of the power injector 10; and displaying appropriate information (e.g., associated with the operation of the power injector 10); or 5) any combination of the foregoing.
- the power injector 10 includes a GU1 11 that is incorporated by a console that is separate from but which communicates with the powerhead 12.
- the power injector 10 includes a GU1 11 that is part of the powerhead 12
- the power injector 10 utilizes one GU1 11 on a separate console that communicates with the powerhead 12, and also uti ⁇ zes another GU1 11 that is on the powerhead 12
- Each GU1 11 could provide the same functionaiity or set of functionalities, or the GUIs 11 may differ in at least some respect in relation to their respective functionalities.
- a syringe 28 may be installed on the powerhead 12 and, when installed, may be considered to be part of the power injector 10. Some injection procedures may result in a relatively high pressure being generated within the syringe 28. In this regard, it may be desirable to dispose the syringe 28 within a pressure jacket 26.
- the pressure jacket 26 is typically associated with the powerhead 12 in a manner that allows the syringe 28 to be disposed therein as a part of or after installing the syringe 28 on the powerhead 12
- the same pressure jacket 26 will typically remain associated with the powerhead 12, as various syringes 28 are positioned within and removed from the pressure jacket 26 for multiple injection procedures
- the power injector 10 may eliminate the pressure jacket 26 if the power injector 10 is configured/utilized for low-pressure injections and/or if the syringe(s) 28 to be utilized with the power injector 10 is (are) of sufficient durability to withstand high-pressure injections without the additional support provided by a pressure jacket 26
- fluid discharged from the syringe 28 may be directed into a conduit 38 of any appropriate size, shape, configuration, and/or type, which may be fluidly interconnected with the syringe 28 in any appropriate manner, and which may direct fluid to any appropriate location (e.g., to a patient).
- the powerhead 12 includes a syringe plunger drive assembly or syringe plunger driver 14 that interacts (e.g., interfaces) with the syringe 28 (e.g , a plunger 32 thereof) to discharge fluid from the syringe 28.
- This syringe plunger dnve assembly 14 includes a drive source 16 (e g., a motor of any appropriate size, shape, configuration, and/or type, optional gearing, and the like) that powers a drive output 18 (e g., a rotatabie dnve screw).
- a ram 20 may be advanced along an appropriate path (e.g., axial) by the drive output 18.
- the ram 20 may include a coupler 22 for interacting or interfacing with a corresponding portion of the syringe 28 in a manner that wili be discussed below.
- the sy ⁇ nge 28 includes a plunger or piston 32 that is movably disposed within a sy ⁇ nge barrel 30 (e.g., for axia! reciprocation along an axis coinciding with the double-headed arrow B).
- the plunger 32 may include a coupler 34.
- This syringe plunger coupler 34 may interact or interface with the ram coupler 22 to allow the syringe plunger drive assembly 14 to retract the syringe plunger 32 within the syringe barrel 30.
- the syringe plunger coupler 34 may be in the form of a shaft 36a that extends from a body of the syringe plunger 32, together with a head or button 36b.
- the syringe plunger coupler 34 may be of any appropriate size, shape, configuration, and/or type
- the syringe plunger drive assembly 14 of the power injector 10 may interact with the sy ⁇ ge plunger 32 of the syringe 28 in any appropriate manner (e.g., by mechanical contact, by an appropriate coupling (mechanical or otherwise)) so as to be able to move or advance the syringe plunger 32 (relative to the syringe barrel 30) in at least one direction (e g., to discharge fluid from the corresponding syringe 28).
- any appropriate manner e.g., by mechanical contact, by an appropriate coupling (mechanical or otherwise)
- the synnge plunger drive assembly 14 may be capable of bi-directional motion (e g , via operation of the same drive source 16), the power injector 10 may be configured such that the operation of the syringe plunger drive assembly 14 actually only moves each syringe plunger 32 being used by the power injector 10 in only one direction.
- the syringe plunger drive assembly 14 may be configured to interact with each syringe plunger 32 being used by the power injector 10 so as to be able to move each such syringe plunger 32 in each of two different directions (e.g. in different directions along a common axial path).
- Retraction of the syringe plunger 32 may be utilized to accommodate a loading of fluid into the syringe barrel 30 for a subsequent injection or discharge, may be utilized to actually draw fluid into the syringe barrel 30 for a subsequent injection or discharge, or for any other appropriate purpose.
- Certain configurations may not require that the syringe plunger drive assembly 14 be able to retract the syringe plunger 32, in which case the ram coupler 22 and syringe plunger coupier 34 may not be desired Jn this case, the syringe plunger drive assembly 14 may be retracted for purposes of executing another fluid delivery operation (e g., after another pre-filled syringe 28 has been installed).
- a ram coupler 22 and syringe plunger coupler 34 may or may not be coupled when the ram 20 advances the syringe plunger 32 to discharge fluid from the syringe 28 (e.g., the ram 20 may simply "push on" the syringe plunger coupler 34 or directly on a proximal end of the syringe plunger 32) Any single motion or combination of motions in any appropriate dimension or combination of dimensions may be utilized to dispose the ram coupler 22 and syringe plunger coupler 34 in a coupled state or condition, to dispose the ram coupler 22 and syringe plunger coupler 34 in an un-coup!ed state or condition, or both.
- the syringe 28 may be installed on the powerhead 12 in any appropriate manner.
- the syringe 28 could be configured to be installed directly on the powerhead 12
- a housing 24 is appropriately mounted on the powerhead 12 to provide an interface between the syringe 28 and the powerhead 12.
- This housing 24 may be in the form of an adapter to which one or more configurations of syringes 28 may be installed, and where at least one configuration for a syringe 28 could be installed directly on the powerhead 12 without using any such adapter
- the housing 24 may also be in the form of a faceplate to which one or more configurations of syringes 28 may be installed.
- the housing 24 may be mounted on and remain in a fixed position relative to the powerhead 12 when installing a syringe 28.
- Another option is to movably interconnect the housing 24 and the powerhead 12 to accommodate installing a syringe 28. For instance, the housing 24 may move within a plane that contains the double-headed arrow A to provide one or more of coupled state or condition and an un-coupled state or condition between the ram coupler 22 and the syringe plunger coupler 34.
- FIG. 2A One particular power injector configuration is illustrated in Figure 2A, is identified by a reference numeral 40, and is at least generally in accordance with the power injector 10 of Figure 1
- the power injector 40 includes a powerhead 50 that is mounted on a portable stand 48
- a pair of sy ⁇ nges 86a, 86b for the power injector 40 are mounted on the powerhead 50. Fluid may be discharged from the syringes 86a, 86b during operation of the power injector 40.
- the portable stand 48 may be of any appropriate size, shape, configuration, and/or type Wheels, rollers, casters, or the like may be utilized to make the stand 48 portable.
- the powerhead 50 could be maintained in a fixed position relative to the portable stand 48 However, it may be desirable to allow the position of the powerhead 50 to be adjustable relative to the portable stand 48 in at least some manner For instance, it may be desirable to have the powerhead 50 in one position relative to the portable stand 48 when loading fluid into one or more of the syringes 86a, 86b, and to have the powerhead 50 in a different position relative to the portable stand 48 for performance of an injection procedure.
- the powerhead 50 may be movably interconnected with the portable stand 48 in any appropriate manner (e.g., such that the powerhead 50 may be pivoted through at least a certain range of motion, and thereafter maintained in the desired position). It should be appreciated that the powerhead 50 could be supported in any appropriate manner for providing fluid. For instance, instead of being mounted on a portable structure, the powerhead 50 could be interconnected with a support assembly, that in turn is mounted to an appropriate structure (e.g., ceiling, wall, floor) Any support assembly for the powerhead 50 may be positionally adjustable in at least some respect (e.g., by having one or more support sections that may be repositioned relative to one or more other support sections), or may be maintained in a fixed position. Moreover, the powerhead 50 may be integrated with any such support assembly so as to either be maintained in a fixed position or so as to be adjustable relative the support assembly
- the powerhead 50 includes a graphical user interface or GUI 52
- This GUI 52 may be configured to provide one or any combination of the following functions 1 controlling one or more aspects of the operation of the power injector 40; inputting/editing one or more parameters associated with the operation of the power injector 40; and displaying appropriate information (e.g., associated with the operation of the power injector 40).
- the power injector 40 may also include a console 42 and powerpack 46 that each may be in communication with the powerhead 50 in any appropriate manner (e g., via one or more cables), that may be placed on a table or mounted on an electronics rack in an examination room or at any other appropriate location, or both.
- the powerpack 46 may include one or more of the following and in any appropriate combination; a power supply for the injector 40; interface circuitry for providing communication between the console 42 and powerhead 50; circuitry for permitting connection of the power injector 40 to remote units such as remote consoles, remote hand or foot control switches, or other original equipment manufacturer (OEM) remote control connections (e.g., to allow for the operation of power injector 40 to be synchronized with the x-ray exposure of an imaging system), and any other appropriate componentry
- the console 42 may include a touch screen display 44, which in turn may provide one or more of the following functions and in any appropriate combination, allowing an operator to remotely control one or more aspects of the operation of the power injector 40; allowing an operator to enter/edit one or more parameters associated with the operation of the power injector 40; allowing an operator to specify and store programs for automated operation of the power injector 40 (which can later be automatically executed by the power injector 40 upon initiation by the operator); and displaying any appropriate information relation to the power injector 40 and including any aspect of its
- the sy ⁇ ge 86a includes plunger or piston 90a that is movably disposed within a syringe barrel 88a. Movement of the plunger 90a along an axis 100a ( Figure 2A) via operation of the powerhead 50 will discharge fluid from within a syringe barrel 88a through a nozzle 89a of the syringe 86a.
- an appropriate conduit (not shown) will typically be fluidly interconnected with the nozzle 89a in any appropriate manner to direct fluid to a desired location (e g , a patient)
- the syringe 86b includes plunger or piston 90b that is movably disposed within a syringe barrel 88b Movement of the plunger 90b along an axis 100b ( Figure 2A) via operation of the powerhead 50 will discharge fluid from within the syringe barrel 88b through a nozzle 89b of the syringe 86b.
- An appropriate conduit (not shown) will typically be fluidly interconnected with the nozzle 89b in any appropriate manner to direct fluid to a desired location (e.g , a patient).
- the syringe 86a is interconnected with the powerhead 50 via an intermediate faceplate 102a.
- This faceplate 102a includes a cradle 104 that supports at least part of the syringe barrel 88a, and which may provide/accommodate any additional functionality or combination of functionalities
- a mounting 82a is disposed on and is fixed relative to the powerhead 50 for interfacing with the faceplate 102a
- a ram coupler 76 of a ram 74 ( Figure 2C), which are each part of a syringe plunger dnve assembly or syringe plunger driver 56 ( Figure 2C) for the syringe 86a, is positioned in proximity to the faceplate 102a when mounted on the powerhead 50.
- the ram coupler 76 may be coupled with the syringe plunger 90a of the syringe 86a, and the ram coupler 76 and ram 74 (Figure 2C) may then be moved relative to the powerhead 50 to move the syringe plunger 90a along the axis 100a ( Figure 2A). It may be such that the ram coupler 76 is engaged with, but not actually coupled to, the syringe plunger 90a when moving the syringe plunger 90a to discharge fluid through the nozzle 89a of the syringe 86a.
- the faceplate 102a may be moved at least generally within a plane that is orthogonal to the axes 100a, 100b (associated with movement of the synnge plungers 90a, 90b, respectively, and illustrated in Figure 2A), both to mount the faceplate 102a on and remove the faceplate 102a from its mounting 82a on the powerhead 50
- the faceplate 102a may be used to couple the synnge plunger 90a with its corresponding ram coupler 76 on the powerhead 50
- the faceplate 102a includes a pair of handles 106a.
- the handles 106a may be moved to in turn move/translate the syringe 86a at least generally within a plane that is orthogonal to the axes 10Oa, 100b (associated with movement of the syringe plungers 90a, 90b, respectively, and illustrated in Figure 2A). Moving the handles 106a to one position moves/translates the syringe 86a (relative to the faceplate 102a) in an at least generally downward direction to couple its syringe plunger 90a with its corresponding ram coupler 76.
- Moving the handles 106a to another position moves/translates the syringe 86a (relative to the faceplate 102a) in an at least generally upward direction to uncouple its syringe plunger 90a from its corresponding ram coupler 76.
- the syringe 86b is interconnected with the powerhead 50 via an intermediate faceplate 102b.
- a mounting 82b is disposed on and is fixed relative to the powerhead 50 for interfacing with the faceplate 102b.
- a ram coupler 76 of a ram 74 ( Figure 2C) 1 which are each part of a syringe plunger drive assembly 56 for the syringe 86b, is positioned in proximity to the faceplate 102b when mounted to the powerhead 50. Details regarding the syringe plunger drive assembly 56 again will be discussed in more detail below in relation to Figure 2C.
- the ram coupler 76 may be coupled with the syringe plunger 90b of the syringe 86b, and the ram coupler 76 and ram 74 (Figure 2C) may be moved relative to the powerhead 50 to move the syringe plunger 90b along the axis 100b ( Figure 2A). It may be such that the ram coupler 76 is engaged with, but not actually coupled to, the syringe plunger 90b when moving the syringe plunger 90b to discharge fluid through the nozzle 89b of the syringe 86b.
- the faceplate 102b may be moved at least generally within a plane that is orthogonal to the axes 100a, 100b (associated with movement of the syringe plungers 90a, 90b, respectively, and illustrated in Figure 2A), both to mount the faceplate 102b on and remove the faceplate 102b from its mounting 82b on the powerhead 50.
- the faceplate 102b also may be used to couple the syringe plunger 90b with its corresponding ram coupler 76 on the powerhead 50
- the faceplate 102b may include a handle 106b.
- the syringe 86b may be rotated along its long axis 100b ( Figure 2A) and relative to the faceplate 102b. This rotation may be realized by moving the handle 106b, by grasping and turning the syringe 86b, or both. In any case, this rotation moves/transiates both the syringe 86b and the faceplate 102b at least generally within a plane that is orthogonal to the axes 100a, 100b (associated with movement of the syringe plungers 90a, 90b, respectively, and illustrated in Figure 2A).
- the syringe plunger 90b includes a plunger body 92 and a syringe plunger coupler 94.
- This syringe plunger coupler 94 includes a shaft 98 that extends from the plunger body 92, along with a head 96 that is spaced from the plunger body 92.
- Each of the ram couplers 76 includes a larger slot that is positioned behind a smaller slot on the face of the ram coupler 76.
- the head 96 of the syringe plunger coupler 94 may be positioned within the larger slot of the ram coupler 76, and the shaft 98 of the syringe plunger coupler 94 may extend through the smaller slot on the face of the ram coupler 76 when the syringe plunger 90b and its corresponding ram coupler 76 are in a coupled state or condition.
- the syringe plunger 90a may include a similar syringe plunger coupler 94 for interfacing with its corresponding ram coupler 76.
- the powerhead 50 is utilized to discharge fluid from the syringes 86a, 86b in the case of the power injector 40.
- the powerhead 50 provides the motive force to discharge fluid from each of the syringes 86a, 86b
- a syringe plunger drive assembly or syringe plunger driver is illustrated in Figure 2C 1 is identified by reference numerai 56, and may be utilized by the powerhead 50 to 5 discharge fluid from each of the syringes 86a, 86b
- a separate syringe plunger drive assembly 56 may be incorporated into the powerhead 50 for each of the syringes 86a, 86b
- the powerhead 50 may include hand-operated knobs 80a and 80b for use in separately controlling each of the syringe plunger drive assemblies 56.
- each of its individual i o components may be of any appropriate size, shape, configuration and/or type.
- the syringe plunger drive assembly 56 includes a motor 58, which has an output shaft 60
- a drive gear 62 is mounted on and rotates with the output shaft 60 of the motor 58.
- the drive gear 62 is engaged or is at least engageable with a driven gear 64.
- This driven gear 64 is mounted on and rotates with a drive screw or shaft 66.
- the axis about which the drive screw 66 rotates is identified by reference numeral 68
- One or more bearings 72 appropriately support the drive
- a carriage or ram 74 is movably mounted on the drive screw 66 Generally, rotation of the drive screw 66 in one direction axially advances the ram 74 along the drive screw 66 (and thereby along axis 68) in the direction of the corresponding syringe 86a/b, while rotation of the drive screw 66 in the opposite direction axially advances the ram 74 along the drive screw 66 (and thereby along axis 68) away from the corresponding syringe 86a/b.
- the perimeter of at least part of the drive screw 66 includes helical threads 70 that interface with at least part of the ram 74
- the ram 74 is also movably mounted within an appropriate bushing 78 that does not allow the ram 74 to rotate during a rotation of the drive screw 66. Therefore, the rotation of the drive screw 66 provides for an axial movement of the ram 74 in a direction determined by the rotational direction of the drive screw 66.
- the ram 74 includes a coupler 76 that that may be detachably coupled with a syringe plunger coupler 94 of the syringe plunger 90a/b of the corresponding syringe 86a/b
- a coupler 76 that may be detachably coupled with a syringe plunger coupler 94 of the syringe plunger 90a/b of the corresponding syringe 86a/b
- Figure 2C illustrates a configuration where the syringe 86a/b may be moved along its corresponding axis 10Oa/b without being coupled to the ram 74.
- the syringe 86a/b When the syringe 86a/b is moved along its corresponding axis 100a/b such that the head 96 of its0 syringe plunger 90a/b is aligned with the ram coupler 76, but with the axes 68 still in the offset configuration of Figure 2C 1 the syringe 86a/b may be translated within a plane that is orthogonal to the axis 68 along which the ram 74 moves. This establishes a coupled engagement between the ram coupler 76 and the syringe plunger coupler 96 in the above-noted manner.
- the power injectors 10, 40 of Figures 1 and 2A-C each may be used for any appropriate application,5 including without limitation for medical imaging applications where fluid is injected into a subject ⁇ e.g., a patient)
- Representative medical imaging applications for the power injectors 10, 40 include without limitation computed tomography or CT imaging, magnetic resonance imaging or MRI, single photon emission computed tomography or SPECT imaging, positron emission tomography or PET imaging, X-ray imaging, angiographic imaging, optical imaging, and uitrasound imaging.
- the power injectors 10, 40 each could be used alone or in combination with one or more other components.
- the power injectors 10, 40 each may be operatively interconnected with one or more components, for instance so that information may be conveyed between the powe ⁇ njector 10, 40 and one or more other components (e.g., scan delay information, injection start signal, injection rate).
- one or more other components e.g., scan delay information, injection start signal, injection rate.
- each power injector 10, 40 may discharge fluid from the various syringes in any appropriate manner and according to any timing sequence (e g , sequential discharges from two or more syringes, simultaneous discharges from two or more syringes, or any combination thereof)
- Multiple syringes may discharge into a common conduit (e.g., for provision to a single injection site), or one syringe may discharge into one conduit (e.g., for provision to one injection site), while another syringe may discharge into a different conduit (e.g., for provision to a different injection site).
- Each such syringe utilized by each of the power injectors 10, 40 may include any appropriate fluid (e.g., a medical fluid), for instance contrast media, a radiopharmaceutical, saline, and any combination thereof
- a medical fluid e.g., a medical fluid
- contrast media e.g., contrast media
- radiopharmaceutical e.g., a radiopharmaceutical
- saline e.g., a radiopharmaceutical, saline
- Each such syringe utilized by each of the power injectors 10, 40 may be installed in any appropriate manner (e.g , rear-loading configurations may be utilized; front-loading configurations may be utilized; side-loading configurations may be utilized).
- a communication device in the form of a wand 110 may be interconnected to the power injector 40.
- the wand 110 along with associated control electronics, may be operable to communicate with various data storage devices that may be associated with injecting medical fluids into a patient using the power injector 40
- the wand 110 can use any appropriate technology for communicating with the various data storage devices
- the associated control electronics may be disposed in any appropriate location (e g , within the wand 110 and/or within the powerhead 50)
- the data storage devices may be of any appropriate construction including RFID tags, barcodes, and/or other types of identifying features. Such data storage devices may be disposed on, and/or associated with, various components used during an injection process.
- the wand 110 may be an electromagnetic communication device capable of electromagnetically reading data from, and/or writing data to, an appropriate data storage device.
- the wand 110 may be an RFID tag communication device
- the wand 110 may be operable to be hand-held and hand-manipulated to position the wand 110 proximate to various data storage devices. For example, a user of the wand 110 may move the wand 110 such that it is proximate to an identification data storage device (e.g., an RFID identification bracelet) associated with a patient who is to receive an injection of medical fluid using the power injector 40.
- an identification data storage device e.g., an RFID identification bracelet
- the "user” may be any appropriate personnel who may participate in the process of injecting medical fluid into a patient. Accordingly, a user may include an imaging technician, nurse, doctor, and/or any other appropriate medical personnel.
- the wand 110 When not being used in a hand-held fashion, the wand 110 may be attached to the powerhead 50 in a mounted position 114 illustrated in Figure 2A with dashed lines.
- the wand 110 may be operatively interconnected to the powerhead 50 in any appropriate manner
- the wand 110 may be interconnected to the powerhead 50 via a wiring arrangement 112
- the wiring arrangement 112 may be operable to transmit data and/or power between the wand 110 and the powerhead 50.
- the wiring arrangement 112 may be in any appropriate form and include any appropriate number of conductors
- the wiring arrangement 112 may include one or more cables and/or a wiring harness that may include a plurality of separately insulated conductive pathways
- the wand 110 operatively interconnected to the powerhead 50 via the wiring arrangement 112 may be operable to store data read (e g , read from data storage devices) and subsequently download such data via the wiring arrangement 112 at any appropriate time
- the wand 110 may be a wireless communication device In one implementation of such an arrangement, the wand 110 may be operable to wirelessly communicate with the powerhead 50 using any appropriate wireless communication technology (e.g , Bluetooth, WI-FI) In another implementation of such an arrangement, the wand 110 may be operable to store data read (e g , read from data storage devices) while being used in a hand-held fashion and subsequently download such data when attached to the powerhead 50 in the mounted position 114.
- data read e g , read from data storage devices
- the wand 110 When attached in the mounted position 114, the wand 110 may be mechanically and/or communicatively interconnected to the powerhead 50
- the communicative interconnection may be of any appropriate form including, for example, direct electrical interconnection and inductive interconnection
- the wand 110 may be powered in any appropriate manner
- the wand 110 may be operable to receive power from the powerhead 50 using, for example, a direct electrical interconnection and/or an inductive coupling Such received power may be used to charge battenes and/or capacitors of the wand 110, which may then be used to power the wand 110 during hand-held operation
- the data storage devices that may be scanned by the wand 110 may be disposed on and/or associated with any part, device, and/or personnel described herein
- the data storage devices may be attached to, or be a part of, the user's identification badge, a patient's identification bracelet, disposables (e g., tubing set, catheter), an area (e.g , a patient room), a pharmaceutical, a bulk fluid container (e g , sahne, contrast), the powerhead 50, and/or the syringes 86a/b (including both empty and filled types).
- the wand 110 may be moved so that the wand 110 is proximate to the associated data storage devices Furthermore, the wand 110 1 when in the mounted position 114, may be operable to scan specific items used in the injection process For example, when in the mounted position 114, the wand 110 may be operable to read and/or write to an RFID tag of the sy ⁇ nge 86a installed on the powerhead 50
- Data storage devices discussed herein may contain any appropriate information
- a patient identification data storage device may contain identification information for the patient and additional information such as drug allergies, preferred injection protocols, and/or other information
- a user identification badge may contain injection protocols preferred by that user.
- Figure 3 is a perspective view of an injection device 120 that includes syringe mounts 124a/b.
- the injection device 120 may be in the form of a powerhead such as the powerhead 50 discussed above
- the injection device 120 may include syringe plunger drivers 126a/b capable of interfacing with a plunger 142 of a syringe 140.
- the syringe plunger drivers 126a/b of the injection device 120 may include a moto ⁇ zed drive source associated with the injection device 120
- the syringe mounts 124 a/b may be of any approp ⁇ ate size, shape, configuration, and/or type In the illustrated embodiment, the sy ⁇ nge mounts 124 a/b are appropriately mounted on or otherwise integrated with the 5 injection device 120 to provide an interface between the syringe 140 and the injection device 120. A portion of the syringe mounts 124 a/b may be permanently attached to or incorporated by the injection device 120, or at least installed thereon with proper tooling.
- the syringe mounts 124 a/b may also be in the form of an adapter to allow different configurations of syringes 140 to be installed on the injection device 120 (e g , an adapter may be installed on a syringe interface structure on the injection device 120 so a different syringe may be used - one l o syringe may be used with the syringe interface structure of the injection device 120, and another syringe may be used when an appropriate adapter is installed on the injection device 120).
- an adapter may be installed on a syringe interface structure on the injection device 120 so a different syringe may be used - one l o syringe may be used with the syringe interface structure of the injection device 120, and another syringe may be used when an appropriate adapter is installed on the injection device 120).
- the syringe mounts 124 a/b may also be in the form of a faceplate to which one or more configurations of syringes 140 may be installed, and which may be installed on the injection device 120 without any tooling (e.g , simply by hand) In this case, it may be such that a faceplate is required to install any syringe 140 on the injection device 120 - the syringe 140 could not be
- the syringe mounts 124a/b may be removably attached to the injection device 120
- the syringe mounts 124a/b may be attached and detached from the injection device 120 in a manner similar to the attachment of faceplates 102a/b to the powerhead 50 discussed above with reference to Figures 2A through 2C.
- the embodiment of Figure 3 contains two syringe mounts 124a/b. a syringe mount 124a attached to a syringe plunger 0 driver 126a and a syringe mount 124b partially attached to a syringe plunger driver 126b.
- the injection device 120 may include a single syringe plunger driver 126a/b or more than two syringe plunger drivers 126a/b
- each of the syringe plunger drivers 126a/b of the injection device 120 may have a syringe mount 124a/b attached thereto, or a portion of the syringe plunger drivers 126a/b of the injection device 120 may have a syringe mount 124a/b attached thereto.
- the syringe mount 124a/b may be operable to 5 hold or receive the syringe 140 in a manner similar to that described above with respect to intermediate faceplates 102a/b and syringes 86a.
- Syringe mount 124a may include a wand portion 128a and a base portion 130a.
- the base portion 130a may be operable to attach to the injection device 120 in a manner similar to the attachment of the faceplate 102a/b to the powerhead 50 described above with reference to Figures 2A through 2C.
- the base portion 130a may be 0 communicatively interconnected to the injection device 120 when the base portion 130a is attached to the injection device 120. Such an interconnection may be achieved through a direct electncal interconnection between electrically conductive pathways of the base portion 130a and corresponding conductive pathways of the injection device 120 (e.g., mating electrical connectors and/or contacts that become electrically interconnected upon attachment of the base portion 130 to the injection device 120).
- a wiring arrangement may extend from the base portion 130a and be operable to be plugged into a corresponding connector on the injection device 120.
- the base portion 130a may be communicatively interconnected to the injection device 120 through an inductive coupling when the base portion 130a is attached to the injection device 120. Any other appropriate type of communicative interconnection may be utilized.
- the syringe mounts 124a/b may be operable to hold or receive the syringe 140
- the wand portion 128a and/or the base portion 130a of the syringe mount 124a may include features allowing the syringe 140 to be mounted thereto.
- the wand portion 128a may be operable to be attached ⁇ e g , docked) and detached from the base portion 130a Such attaching and detaching may be performed without the use of tools (e.g., the wand portion 128a may be attachable and detachable from the base portion 130a by hand).
- the wand portion 128a may attach to the base portion 130a in any appropriate manner For example, a groove on the wand portion 128a may slide onto a corresponding protruding member on the base portion 130a and snap into place. Other methods, such as i o magnetic coupling and/or latches may be used to secure the wand portion 128a to the base portion 130a.
- the wand portion 128a may include a communication device 132a
- the communication device 132a may be a device operable to read from and/or write to data storage devices 134 that may be attached to various objects associated with the injection of medical fluids into a patient, such as those described above with reference to the wand 110 of Figure 2A.
- the communication device 132a may be an RFID communication device
- the communication device 132a may have a field of view.
- the term "field of view” denotes a region proximate to a communication device (e.g., communication device 132a of wand portion 128a, wand 110 of Figure 2A) where the data storage device 134 in that region will be communicable with that communication device (e.g., where the data storage device 134 is readable by that communication device and/or the communication device will be operable to write to the data storage device 134).
- the wand portion 128a When attached to the base portion 130a, the wand portion 128a, in addition to being mechanically interconnected to the base portion 130a, may be electrically and/or communicatively interconnected to the base portion 130a.
- the wand portion 128a may be operable to communicate with the base portion 130a in that the wand portion 128a may be able to transfer data obtained from the communication device 132a to the base portion 130a.
- the wand portion 128a may also be operable to receive data from the base portion 130a and use such data 5 to write to an RFID tag within the field of view of the wand portion 128a
- the wand portion 128a may be operable to communicate with the injection device 120
- the field of view of the communication device 132a of the wand portion 128a may be disposed such that it is able to read and/or0 write to the data storage device 134 on the syringe 140 installed on the syringe mount 124a.
- the communication between the wand portion 128a and the base portion 130a may occur in any appropriate manner.
- the two portions 128a, 130a may be directly electrically interconnected through corresponding sets of contacts on each portion 128a, 130a.
- Such an arrangement is illustrated on the wand portion 128b and base portion 130b of Figure5 3.
- the wand portion 128b includes a set of electrically conductive members 146 and the base portion 130b includes a corresponding set of elect ⁇ cally conductive members 148.
- the electrically conductive members 146, 148 are arranged such that they are communicatively interconnected when the wand portion 128b is mounted to the base portion 130b
- the wand portion 128a may be operable to wirelessly communicate with the base portion 130a.
- Such wireless communication may occur in any appropriate manner using any appropriate technology.
- such wireless communication may occur using optical means.
- such wireless communication may take place through an inductive coupling between the wand portion 128a and the base portion 130a when the wand portion 128a and is attached to the base portion 130a.
- such wireless communication may use a radio frequency (RF) wireless communication system such as Bluetooth®.
- RF radio frequency
- the wireless communication between the base portion 130a and the wand portion 128a may be operable to occur when the wand portion 128a is detached from the base portion 130a
- the wand portion 128a may include a power source operable to power the wand portion 128a.
- the power source may, for example, inciude batteries disposed within the wand portion 128a. Such batteries may need to be removed and then replaced and/or recharged when their power is depleted.
- the syringe mount 124a may include the ability to charge batteries within the wand portion 128a when the wand portion 128a is attached to the base portion 130a
- the injection device 120 may supply power to the base portion 130a, which in turn may include a direct electrical interconnection to the wand portion 128a through which power may be transferred to charge the batteries within the wand portion 128a.
- the power transfer between the wand portion 128a and the base portion 130a may occur through an inductive coupling.
- both the communicative and power interconnections may occur wirelessly.
- the communication between the wand portion 128a and the base portion 130a may utilize optical or RF means while power may be delivered to the base portion 130a via an inductive coupling.
- communication and power may occur through the same inductive coupling between the wand portion 128a and the base portion 130a
- the wand portion 128a may be powered by charged capacitors in place of the aforementioned batteries.
- the wand portion 128a When the wand portion 128a is detached from the base portion 130a, it may be used to read and/or write to the various data storage devices 134 discussed above (e.g., RFID tags).
- the wand portion 128a may be moved proximate to the various data storage devices 134 to be scanned such that the data storage devices 134 are disposed within the wand portion's 128a field of view
- the information may be immediately downloaded to the injection device 120 via a wireless link.
- a wireless link may be through the base portion 130a or directly to a wireless communication module of the injection device 120
- the scanned information may be temporarily stored within the wand portion 128a for later downloading once the wand portion 128a is attached to the base portion 130a.
- the wand portion 128a may include a memory unit 144a capable of storing scanned information.
- the wand portion 128b may also include a memory unit 144b capable of storing scanned information.
- the memory units 144a/b may also hold information that may be used to write to the various data storage devices 134 where appropriate
- the syringe mount 124b may be configured similarly to the syringe mount 124a described above. As illustrated in Figure 3, the wand portion 128b may be detached from the base portion 130b and used to scan a user identification badge 138 and/or a patient identification bracelet 136 by manipulating the wand portion 128b such that the data storage device 134 of the item to be read and/or written to is within the field of view of the communication device 132b.
- the syringe mount 124a may be a unitary device.
- the entire syringe mount 124a may be removed from the injection device 120 when using the syringe mount 124a to the read and/or write to data storage devices 134 remote from the injection device 120.
- Such a unitary device may communicate with the injection device 120 in a manner simiiarto the communication between the base portion 130a and the injection device 120 and/or between the wand portion 128a and the base portion
- the syringe mount 124a may be operable to position and/or support a syringe 140 installed thereon.
- the syringe mount 124a may perform the same functions as the previously discussed faceplates 102a/b.
- the various features of the previously discussed faceplates 102a/b may be incorporated into
- J 5 the syringe mount 124a/b. Additional features, such as syringe heaters operable to heat fluid within an installed syringe 140 may also be incorporated into the syringe mounts 124a/b.
- the syringes 140 to be installed onto the syringe mount 124a and used by the injection device 120 may contain one or more data storage devices 134 of any appropriate type and using any appropriate data storage technology (e.g., RFID tags). Such data storage devices 134 may be capable of storing information such as 0 content type, concentration, manufacture date and/or lot, expiration date, date filled, fill volume and/or any other appropriate information. Furthermore, the data storage devices 134 on the syringes 140 may be operable to have information written thereon by the communication device 132a/b. Any appropriate number of data storage devices 134 may be associated with a given syringe 140. A data storage device 134 may be incorporated at any appropriate location on the syringe 140 5
- Figure 4 is a flowchart of a method 150 of operation of the injection device 120 of Figure 3. The first step
- the 152 of the method 150 may be to install the syringe mount 124a onto the injection device 120.
- the step 152 may further include electrically interconnecting the syringe mount 124a to the injection device 120 by, for example, plugging an electrical connector of the syringe mount 124a into a corresponding connector of the injection device 120.
- the electrical interconnection between the syringe mount 124a and the injection 0 device 120 may occur when the syringe mount 124a is installed onto the injection device 120.
- the next step 154 may be to remove the wand portion 128a from the injection device 120. This may include separating the wand portion 128a from the base portion 130a. Such separation may be performed by hand by a user of the injection device 120. Separation may be achieved by pulling the wand portion 128a away from the base portion 130a with enough force to overcome a retention force due to, for example, a magnetic interconnection 5 and/or mechanical interconnection between the wand portion 128a and the base portion 130a. In an embodiment, a latch and/or clamp may be undone and/or a button may be pressed to separate the wand portion 128a from the base portion 130a.
- the user may next use the wand portion 128a to read the data storage device 134 associated with patient identification bracelet 136 (e.g., worn by a patient to receive an injection).
- the present method 150 is described in terms of reading data from particular items with the wand portion 128a. It wil! be appreciated that all reading steps described in the present method 150 may include writing data to the particular item, either in 5 combination with the described reading or in place of the described reading.
- the step 156 may incorporate positioning the wand portion 128a proximate to the patient identification bracelet 136.
- the wand portion 128a may be in the form of an electromagnetic device capable of electromagnetically reading data from and/or writing data to the appropriate data storage device 134. In this regard, the wand portion 128a may be operable to read the RFID tag 134 interconnected to the patient identification bracelet 136.
- the wand portion 128a may emit an audible tone
- the wand portion 128a may store the data read from the patient identification bracelet 136 in the memory unit 144a.
- the data read may include patient name, a patient identification number, patient drug allergies, a preferred injection protocol, and/or any other appropriate information.
- the wand portion 128a may immediately wirelessly transmit the data read from the patient identification bracelet 136 to the base portion 130a and/or the injection device 120.
- the next step 158 may be to use the wand portion 128a to read the data storage device 134 associated with the user identification badge 138. This may be performed by moving the wand portion 128a proximate to the identification badge 138 as illustrated in Figure 3.
- the information read from the user identification badge 138 may 0 include the user's name and/or other user identifier, an injection protocol preferred by the user, and/or any other appropriate information.
- the read information may be stored locally and/or transmitted such as with the information read during step 156. This information may further be used to prevent unauthorized activation of the injection device 120.
- disposables may include, for example, a tubing set and a catheter.
- the information read from the disposables may include the part numbers, manufacturing information, performance characteristics ⁇ e.g., maximum pressure ratings), and/or any other appropriate information.
- the read information may be stored locally and/or transmitted such as with the information read during step 156. 0 Additional items beyond those discussed with reference to steps 156, 158 and 160, may be read by the user using the wand portion 128a. Such items may include pharmaceuticals, identification badges of additional personnel present, and/or any other appropriate.
- the next step 162 may be to dock the wand portion 128a to the injection device 120. This may entail attaching the wand portion 128a to the base portion 130a.
- the next step 164 may be to register the wand portion 128a to the base portion 130a and/or the injection device 120.
- Registering the wand portion 128a may entail establishing a communication link between the wand portion 128a and the base portion 130a and/or injection device 120. Registering the wand portion 128a may also confirm that the wand portion 128a is the correct wand portion 128a for the base portion 130a. Once registered, the next step 166 may be performed. Step 166 may include downloading the data read by the wand portion 128a during steps 156, 158 and 160 from the wand portion 128a to the base portion 130a and/or the injection device 120. Once docked, the wand portion 128a may draw power from the base portion 130a to charge an energy storage device (e.g., battery) of the wand portion 128a.
- an energy storage device e.g., battery
- the next step 168 may be to install a syringe 140 into the syringe mount 124a, Installing of the syringe 140 may include interconnecting a plunger 142 of the syringe 140 to the syringe plunger driver 12 ⁇ a. Once connected, the injection device 120 may be operable to drive (e.g., advance and/or retract) the plunger 142 of the syringe 140. Step 168 may also include interconnecting any appropriate disposables such as a tubing set to the syringe 140.
- the next step 170 may be for the wand portion 128a to read the data storage device 134 of the syringe 140 while the wand portion 128a is attached to the base portion 130a.
- the syringe 140 may be loaded onto the syringe mount 124a such that the data storage device 134 of the syringe 140 is within the field of view of the communication device 132a of the wand portion 128a.
- the data read from the data storage device 134 of the syringe 140 may be forwarded to the injection device 120.
- the next step 172 may be to verify the integrity of the data. Such verification may take the form of confirming that the various pieces of data are in agreement.
- the data storage device 134 on the syringe 140 may contain information regarding the patient for which the syringe 140 is intended. This data may be compared with the identification of the patient obtained from the patient identification bracelet 136 to confirm that the correct medical fluid is being administered to the correct patient.
- Step 172 may also include verifying an injection protocol obtained in step 174.
- the step 174 of obtaining an injection protocol may be performed in a variety of ways.
- the injection protocol may be resident in the user identification badge 138 and may be downloaded during the reading of the user identification badge 138 of step 158.
- the injection protocol may be resident in the patient's identification bracelet 136 and may be downloaded during the reading of the patient identification bracelet 136 of step 156.
- Such a protocol may have been loaded onto the patient identification bracelet 136 by, for example, a prescribing doctor.
- the injection device 120 may include a plurality of injection protocols, and a user may select the injection protocol to be used from the plurality of injection protocols. Such selection may take the form of the user manually selecting and injection protocol (e.g., using a GU1 122 of the injection device 120) or, the injection device 120 may automatically select an injection protocol based on, for example, the user (e.g., obtained during the reading of the user identification badge 138 of step 158) and/or the liquid to be injected (e.g., obtained during the reading of the syringe 140 of step 170).
- the step 172 of verifying data integrity may also include verifying that aspects of the selected protocol (e.g., flow rates and pressures) are appropriate for the disposables (e g , tubing set and/or catheter) to be used during the injection process
- the step 172 of verifying data integrity may also include verifying that the user, medical fluids within the syringe 14O 1 and the patient all are appropriate for the selected injection protocol.
- step 172 may be helpful in reducing the potential of injecting the wrong pharmaceutical into a patient, injecting an expired medical fluid into a patient, and/or using the wrong protocol for a particular patient and/or syringe.
- information along with any other information described herein that is read by the wand portion 128a, may be used for purposes in addition to its role in running an injection protocol. For example, such information may be used to track inventories, track billing, track equipment performance, track patient injection history, and/or track user activity.
- the injection device 120 may also interface with a local network (e.g , a hospital's network) to obtain, verify and/or upload information related to the injection procedure.
- a local network e.g , a hospital's network
- the next step 176 may be to execute the injection protocol.
- the injection device 120 and attached tubing may be purged of air and fluidly interconnected to the patient ⁇ e.g., through a tubing set and catheter). After such purging, the injection device 120 may inject medical fluid into the patient according to the injection protocoi.
- the method 150 has been described above with reference to injecting medical fluids from a single syringe 140 installed on syringe mount 124a.
- a second syringe may be installed onto syringe mount 124b
- the syringe 140 installed on syringe mount 124a may be fiied with contrast while a second syringe installed onto syringe mount 124b may be filled with saline.
- the injection protocol may call for the injection of both saline and contrast
- each syringe mount 124a/b may read a data storage device 134 of a syringe installed on its respective syringe mount 124a/b.
- wand portion 128a and/or wand portion 128b may be used to complete such reading steps.
Landscapes
- Health & Medical Sciences (AREA)
- Vascular Medicine (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16800309P | 2009-04-09 | 2009-04-09 | |
PCT/US2010/029899 WO2010117923A1 (en) | 2009-04-09 | 2010-04-05 | Medical fluid delivery system with rfid-equipped wand |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2427234A1 true EP2427234A1 (en) | 2012-03-14 |
EP2427234B1 EP2427234B1 (en) | 2015-09-16 |
Family
ID=42299176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10713538.6A Not-in-force EP2427234B1 (en) | 2009-04-09 | 2010-04-05 | Medical fluid delivery system with rfid-equipped wand |
Country Status (7)
Country | Link |
---|---|
US (1) | US8750967B2 (en) |
EP (1) | EP2427234B1 (en) |
JP (1) | JP5535308B2 (en) |
CN (2) | CN105582592B (en) |
CA (1) | CA2757958C (en) |
ES (1) | ES2550631T3 (en) |
WO (1) | WO2010117923A1 (en) |
Cited By (6)
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US9173995B1 (en) | 2014-10-28 | 2015-11-03 | Bayer Healthcare Llc | Self-orienting syringe and syringe interface |
US9199033B1 (en) | 2014-10-28 | 2015-12-01 | Bayer Healthcare Llc | Self-orienting syringe and syringe interface |
US10792418B2 (en) | 2014-10-28 | 2020-10-06 | Bayer Healthcare Llc | Self-orienting pressure jacket and pressure jacket-to-injector interface |
US10835674B2 (en) | 2015-11-13 | 2020-11-17 | Bayer Healthcare Llc | Nested syringe assembly |
US11129934B2 (en) | 2014-10-28 | 2021-09-28 | Bayer Healthcare Llc | Self-orienting pressure jacket and pressure jacket-to-injector interface |
US11191893B2 (en) | 2018-01-31 | 2021-12-07 | Bayer Healthcare Llc | System and method for syringe engagement with injector |
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US20120296398A1 (en) * | 2011-05-20 | 2012-11-22 | Boston Scientific Neuromodulation Corporation | Telemetry wand |
ES2659491T3 (en) | 2012-09-05 | 2018-03-15 | E3D Agricultural Cooperative Association Ltd. | Electronic self-injection device |
US10002269B2 (en) * | 2014-09-04 | 2018-06-19 | Haldor Advanced Technologies Ltd | Mobile handheld antenna for reading tags |
US10342916B2 (en) | 2015-03-03 | 2019-07-09 | Liebel-Flarsheim Company Llc | Single-head power injector with contrast media leakage management |
US11389585B2 (en) * | 2016-09-16 | 2022-07-19 | Bayer Healthcare Llc | Pressure jacket having syringe retaining element |
CN109395203A (en) * | 2017-08-18 | 2019-03-01 | 南京感控通化工产品经营部 | A kind of project management method of high pressure injector |
US11806516B2 (en) * | 2017-12-18 | 2023-11-07 | Sanofi | Drug delivery device and charging device |
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WO2003024385A1 (en) | 2001-09-12 | 2003-03-27 | Terumo Kabushiki Kaisha | Medicine container and medicine injector comprising the same |
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- 2010-04-05 JP JP2012504739A patent/JP5535308B2/en not_active Expired - Fee Related
- 2010-04-05 CN CN201510835653.6A patent/CN105582592B/en not_active Expired - Fee Related
- 2010-04-05 US US13/260,578 patent/US8750967B2/en not_active Expired - Fee Related
- 2010-04-05 CN CN2010800156217A patent/CN102387828A/en active Pending
- 2010-04-05 EP EP10713538.6A patent/EP2427234B1/en not_active Not-in-force
- 2010-04-05 CA CA2757958A patent/CA2757958C/en not_active Expired - Fee Related
- 2010-04-05 WO PCT/US2010/029899 patent/WO2010117923A1/en active Application Filing
- 2010-04-05 ES ES10713538.6T patent/ES2550631T3/en active Active
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9173995B1 (en) | 2014-10-28 | 2015-11-03 | Bayer Healthcare Llc | Self-orienting syringe and syringe interface |
US9199033B1 (en) | 2014-10-28 | 2015-12-01 | Bayer Healthcare Llc | Self-orienting syringe and syringe interface |
US9700670B2 (en) | 2014-10-28 | 2017-07-11 | Bayer Healthcare Llc | Self-orienting syringe and syringe interface |
US10245375B2 (en) | 2014-10-28 | 2019-04-02 | Bayer Healthcare Llc | Self-orienting syringe and syringe interface |
US10512720B2 (en) | 2014-10-28 | 2019-12-24 | Bayer Healthcare Llc | Self-orienting syringe and syringe interface |
US10792418B2 (en) | 2014-10-28 | 2020-10-06 | Bayer Healthcare Llc | Self-orienting pressure jacket and pressure jacket-to-injector interface |
US11129934B2 (en) | 2014-10-28 | 2021-09-28 | Bayer Healthcare Llc | Self-orienting pressure jacket and pressure jacket-to-injector interface |
US11419977B2 (en) | 2014-10-28 | 2022-08-23 | Bayer Healthcare Llc | Self-orienting syringe and syringe interface |
US11577022B2 (en) | 2014-10-28 | 2023-02-14 | Bayer Healthcare Llc | Self-orienting syringe and syringe interface |
US10835674B2 (en) | 2015-11-13 | 2020-11-17 | Bayer Healthcare Llc | Nested syringe assembly |
US11744948B2 (en) | 2015-11-13 | 2023-09-05 | Bayer Healthcare Llc | Nested syringe assembly |
US11191893B2 (en) | 2018-01-31 | 2021-12-07 | Bayer Healthcare Llc | System and method for syringe engagement with injector |
Also Published As
Publication number | Publication date |
---|---|
WO2010117923A1 (en) | 2010-10-14 |
US20120029349A1 (en) | 2012-02-02 |
CA2757958A1 (en) | 2010-10-14 |
JP2012523277A (en) | 2012-10-04 |
CN105582592B (en) | 2019-05-31 |
CA2757958C (en) | 2017-08-22 |
CN102387828A (en) | 2012-03-21 |
US8750967B2 (en) | 2014-06-10 |
ES2550631T3 (en) | 2015-11-11 |
CN105582592A (en) | 2016-05-18 |
JP5535308B2 (en) | 2014-07-02 |
EP2427234B1 (en) | 2015-09-16 |
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